from sys import argv

script, input_file = argv

def print_all(f):
  print(f.read())

def rewind(f):
  f.seek(0)

def print_a_line(line_count, f):
  print(line_count, f.readline())

current_file = open(input_file)

print("First let's print the whole file:\n")

print_all(current_file)

print("Now")